From c102546beef68ad1828d9fe763656cfe656ef982 Mon Sep 17 00:00:00 2001
From: Adiel Mittmann <adiel@mittmann.net.br>
Date: Fri, 3 Nov 2017 15:00:33 -0200
Subject: [PATCH] When the value was too large, I was getting this error:

    *** stack smashing detected ***: <unknown> terminated

Now the value is truncated when it is too large.
---
 nvp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nvp.c b/nvp.c
index 04e2087..81aef8f 100644
--- a/nvp.c
+++ b/nvp.c
@@ -153,6 +153,7 @@ struct nvp *make_nvp(struct msg_src *src, char *s, const char *pfx)/*{{{*/
   struct nvp *result;
   size_t pfxlen;
   char *nn, *mm, *vv;
+  char *vv_null_pos;
 
   pfxlen = strlen(pfx);
   if (strncasecmp(pfx, s, pfxlen))
@@ -168,6 +169,7 @@ struct nvp *make_nvp(struct msg_src *src, char *s, const char *pfx)/*{{{*/
   nn = name;
   mm = minor;
   vv = value;
+  vv_null_pos = value + sizeof(value) - 1;
   last_action = GOT_NOTHING;
   do {
     qq = *(unsigned char *) q;
@@ -211,6 +213,7 @@ struct nvp *make_nvp(struct msg_src *src, char *s, const char *pfx)/*{{{*/
 #ifdef VERBOSE_TEST
         fprintf(stderr, "  COPY_TO_VALUE\n");
 #endif
+        if (vv < vv_null_pos)
         *vv++ = *q;
         break;
       case COPY_NOWHERE: